Car Key Fob Repairs
Key fobs today can do much more than unlock and start vehicles. However, the added complexity could result in high repair bills in the event that one of them malfunctions.
The positive side is that many fobs use flat watch-style batteries that are easy to replace at home. It is possible that a simple reset is enough to bring your fob back to life.
Battery Replacement
The most frequent reason that a key fob doesn't work is because of a dead battery. This is a simple repair, and is worth trying before you spend money on a new fob. You can pick up an additional button cell battery at a local auto part store or hardware retailer in the event that you already have one. You can also consult the owner's manual (or YouTube for videos explaining how to replace the battery) for specific instructions on how to replace and open the battery inside your fob.
You'll have to gently pull away the sides of the majority of fobs to reach the battery. You'll typically need a small screwdriver or another tool that has a flat, thin blade. It may be helpful to look for a notch on the bottom of the fob that you can use to wedge your tool between. You might also want to be on the lookout for small pieces that could fall off while working.
When remote key fob repair have your new battery, place it the same way that you removed the old one. Make sure the positive (+) side is facing upwards toward the buttons, and that the negative (-) side of the battery is aligned with the markings in the battery compartment of your fob.
Press a button to test the fob. If it isn't working, there may be a problem with your car that needs to be fixed or replaced by a professional.
Certain key fobs can be difficult to open, and the contacts may be fragile and easily corroded. In these situations the best solution is to talk to a expert or a dealer. If you're in need of replacing the battery, make sure to be gentle and follow the instructions that are specific to your owner's manual. You may be able to locate a battery similar at a big-box store or discounter, but make sure to check the owner's manual to ensure that it's compatible with your vehicle.
Replace the internal key
Most key fobs include the physical key mechanical, but it's hidden inside the fob to keep it from being stolen. If the battery of the fob fails it will leave an internal key that is blank that is able to unlock doors and trunks (and in some cases, start certain vehicles). Most people don't know this, but they can save from a trip to the dealer by simply replacing the fob battery. The flat watch-style battery is used in most modern fobs. They can be located at hardware and auto parts stores. It is important to use the right type of battery. The wrong kind can damage the electronic circuitry, which can cause the battery to fail sooner.
If the problem continues to persist even after you have replaced the battery, it may be a sign that there is something else going on in your vehicle. If you have an owner's guide look for there is a reset option available to restore the fob's original programming. If that doesn't help then you'll need to visit a dealer or an independent shop that is specialized in vehicle security systems and fob programming.
Fobs can also malfunction due to malfunctioning transmitter receivers. They are typically placed on the dashboard or close to the steering wheel, and they send signals that allow you to unlock and start your car with the fob. If you're required to move closer and closer to your vehicle in order to make it work, there's a great chance the transmitter is failing.
A professional might have to open the case of the fob to replace the transmitter. A simple screwdriver is usually enough to do the trick, but certain fobs require a special tool or special equipment that can only be purchased at a dealer. This is a job that should be done by a qualified mechanic to avoid damaging the fob and yourself.
Reprogramming the Key
A key fob that is not functioning just requires a new battery. Because these batteries are cheap and readily available in pharmacies and home improvement stores, it's an excellent first step prior to buying an entirely new car key fob.
You can also change the programming of your key fob by yourself If you follow a few basic steps. The procedure varies for different vehicle makes, so it's important to consult your owner's manual and research the specifics of your model. For instance, one key fob may require that the ignition be switched on while reprogramming the key. A key fob might require the key to be inserted several times.
The procedure is simple. First, make sure that the new battery is firmly in place. Then, get in the driver's seat, and close all doors EXCEPT for the driver's side door. This will ensure that the new key fob can communicate with the vehicle in a proper manner. Put the old key in the ignition and turn it on, but do not start the engine. Then press the lock button on the fob, while looking at the transmission receiver, which is typically located on the front of the vehicle above the mirror. In a short period of time the key will announce to the vehicle that it's being programmed by triggering the doors locks or emitting the sound of a chime. This is a difficult process, so pay attention to the timing and don't press too hard the button.
If the key fob does not work after reprogramming it, try using a new battery. If the problem persists you might want to check with your car dealer or locksmith. A professional will have the tools and programming equipment needed to reprogram your car's fob or make a new key if it's needed.
Genesky claims he is able to program newer fobs ranging from $200 and $250, depending on the vehicle. He's had European models rejected because he lacks the expensive equipment required. Fortunately, most aftermarket fobs can be programmed however it's best to check with a car dealer first to see the price.
A New Fob
If your key fob cannot be fixed, you could require a new one. Depending on the brand and model, a dealership or an auto locksmith may be able to help. The dealership will likely be the most expensive option for a fob replacement, but they will also have all of the necessary tools and software to program your vehicle correctly. For a more affordable option, a number of independent locksmiths will be able to provide you with a brand-new car key fob at a lower price.
Before you purchase a new fob it's a good idea to try resetting your current one. The owner's manual should explain the proper procedure for reset which is typically the pushing of a button which restores the original programming.
You should also look over the owner's guide and warranty information to determine whether you can obtain a replacement key fob. If your vehicle is under warranty or you have a car insurance policy or auto club membership that includes bumper-to-bumper insurance, you might be able to receive some reimbursement for the cost of the new fob.
Getting a fob is easy enough however finding the best location to get it done isn't easy. If you have a relatively new car and would like the peace of mind that comes with knowing that your key fobs are in good condition, you might be better off going to the dealership for this service. However, if you want a more affordable option it is usually possible to find a locksmith independent who can provide the same service for a lower cost.
If you aren't comfortable handling this kind of work yourself A professional locksmith could be a great option. They're trained and equipped to replace or reprogram car key fobs of all types and can do it quickly. In addition, a locksmith will often visit your office or home to do the job which can be extremely useful for certain people. They can even cut and program keys on-site when you've lost keys, which is great for those who don't like to leave their vehicles unattended.